Gun cocking device



FIG. 1 is a perspective view of the gun cocking device showing my design in use with a gun;

FIG. 2 is another perspective view of the gun cocking device showing my new design;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a front view thereof;

FIG. 6 is a rear view thereof;

FIG. 7 is a side view thereof; and,

FIG. 8 is an opposite side view thereof.

The broken lines in the drawings are used to illustrate portions of the gun cocking device and environment that form no part of the claimed design. 

CLAIM The ornamental design for a gun cocking device, as shown and described. 